From: Lars Ingebrigtsen <larsi@gnus.org>
To: Eli Zaretskii <eliz@gnu.org>
Cc: ghe@sdf.org, emacs-devel@gnu.org
Subject: Re: Redisplay slower in Emacs 28 than Emacs 27
Date: Tue, 08 Dec 2020 18:51:18 +0100 [thread overview]
Message-ID: <87r1o0chk9.fsf@gnus.org> (raw)
In-Reply-To: <83v9dc5he3.fsf@gnu.org> (Eli Zaretskii's message of "Tue, 08 Dec 2020 19:36:52 +0200")
Eli Zaretskii <eliz@gnu.org> writes:
> It may make redisplay faster, but it will produce confusing effects if
> an identical spec is constructed from the same or identical elements:
> Emacs will think the image is not in the cache. Sounds like a lot to
> pay for a minor speedup, to say nothing of backward compatibility.
It's a major speedup for :data images, which is what you'll find in eww
and mail readers.
And we've been using equal_lists in Emacs 28, which is incompatible in
much the same way, and we've seen only one thing that needed tweaking
because of that.
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
next prev parent reply other threads:[~2020-12-08 17:51 UTC|newest]
Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-07 14:53 Redisplay slower in Emacs 28 than Emacs 27 Gregory Heytings via Emacs development discussions.
2020-12-07 15:04 ` Lars Ingebrigtsen
2020-12-07 15:14 ` Gregory Heytings via Emacs development discussions.
2020-12-07 15:19 ` Lars Ingebrigtsen
2020-12-07 15:28 ` Gregory Heytings via Emacs development discussions.
2020-12-07 15:41 ` Lars Ingebrigtsen
2020-12-07 15:43 ` Gregory Heytings via Emacs development discussions.
2020-12-07 15:45 ` Gregory Heytings via Emacs development discussions.
2020-12-07 16:14 ` Lars Ingebrigtsen
2020-12-07 16:46 ` Gregory Heytings via Emacs development discussions.
2020-12-07 17:30 ` Eli Zaretskii
2020-12-07 18:45 ` Gregory Heytings via Emacs development discussions.
2020-12-07 18:47 ` Lars Ingebrigtsen
2020-12-07 18:49 ` Gregory Heytings via Emacs development discussions.
2020-12-07 20:58 ` Alan Third
2020-12-07 21:24 ` Gregory Heytings via Emacs development discussions.
2020-12-07 21:06 ` Gregory Heytings via Emacs development discussions.
2020-12-07 21:15 ` Lars Ingebrigtsen
2020-12-07 21:23 ` Alan Third
2020-12-07 21:31 ` Lars Ingebrigtsen
2020-12-07 21:47 ` Lars Ingebrigtsen
2020-12-07 21:46 ` Gregory Heytings via Emacs development discussions.
2020-12-07 21:49 ` Gregory Heytings via Emacs development discussions.
2020-12-07 21:59 ` Lars Ingebrigtsen
2020-12-07 22:11 ` Lars Ingebrigtsen
2020-12-07 22:56 ` Gregory Heytings via Emacs development discussions.
2020-12-07 23:02 ` Lars Ingebrigtsen
2020-12-07 23:09 ` Gregory Heytings via Emacs development discussions.
2020-12-07 23:44 ` Lars Ingebrigtsen
2020-12-07 23:47 ` Lars Ingebrigtsen
2020-12-08 0:04 ` Gregory Heytings via Emacs development discussions.
2020-12-07 23:48 ` Lars Ingebrigtsen
2020-12-08 0:17 ` Gregory Heytings via Emacs development discussions.
2020-12-08 0:23 ` Lars Ingebrigtsen
2020-12-08 0:41 ` Lars Ingebrigtsen
2020-12-08 1:21 ` Lars Ingebrigtsen
2020-12-08 17:21 ` João Távora
2020-12-08 14:58 ` Eli Zaretskii
2020-12-08 15:07 ` Lars Ingebrigtsen
2020-12-08 15:19 ` Lars Ingebrigtsen
2020-12-08 16:17 ` Eli Zaretskii
2020-12-08 16:34 ` Lars Ingebrigtsen
2020-12-08 16:56 ` Eli Zaretskii
2020-12-08 17:52 ` Lars Ingebrigtsen
2020-12-08 16:11 ` Eli Zaretskii
2020-12-07 22:23 ` Alan Third
2020-12-07 22:32 ` Lars Ingebrigtsen
2020-12-07 18:50 ` Lars Ingebrigtsen
2020-12-07 19:26 ` Eli Zaretskii
2020-12-08 14:06 ` Lars Ingebrigtsen
2020-12-08 15:50 ` Eli Zaretskii
2020-12-08 15:56 ` Stefan Monnier
2020-12-08 16:21 ` Eli Zaretskii
2020-12-08 16:31 ` Lars Ingebrigtsen
2020-12-08 16:53 ` Eli Zaretskii
2020-12-08 17:29 ` Lars Ingebrigtsen
2020-12-08 17:36 ` Eli Zaretskii
2020-12-08 17:51 ` Lars Ingebrigtsen [this message]
2020-12-08 18:03 ` Eli Zaretskii
2020-12-08 18:39 ` Stefan Monnier
2020-12-08 19:12 ` Lars Ingebrigtsen
2020-12-08 19:36 ` Lars Ingebrigtsen
2020-12-08 20:21 ` Eli Zaretskii
2020-12-08 20:32 ` Lars Ingebrigtsen
2020-12-08 20:35 ` Lars Ingebrigtsen
2020-12-08 20:51 ` Lars Ingebrigtsen
2020-12-08 21:10 ` Alfred M. Szmidt
2020-12-08 21:41 ` Lars Ingebrigtsen
2020-12-08 22:31 ` Alfred M. Szmidt
2020-12-08 21:33 ` Stefan Monnier
2020-12-08 22:46 ` Stefan Monnier
2020-12-08 22:58 ` Lars Ingebrigtsen
2020-12-08 23:10 ` Stefan Monnier
2020-12-08 23:43 ` Lars Ingebrigtsen
2020-12-09 18:49 ` Eli Zaretskii
2020-12-09 21:01 ` Stefan Monnier
2020-12-10 3:36 ` Eli Zaretskii
2020-12-10 16:21 ` Stefan Monnier
2020-12-07 16:06 ` Óscar Fuentes
2020-12-07 16:15 ` Gregory Heytings via Emacs development discussions.
2020-12-07 16:16 ` Eli Zaretskii
2020-12-07 15:21 ` Jean Louis
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